Returns the nth element in the container's 'natural' order.
| nth-element < ARRAY > < NUMBER > |
| nth-element < array-container > < INTEGER > |
| nth-element < iteratable-container-mixin > < INTEGER > |
| nth-element < LIST > < INTEGER > |
| nth-element < list-container > < INTEGER > |
| nth-element :around < T > < INTEGER > |
| nth-element < VECTOR > < NUMBER > |
| nth-element < vector-container-mixin > < INTEGER > |